Calibration accessory of tire wearing detector



FIG. 1 is a front elevational view of a calibration accessory of a tirewearing detector showing our first new design;

FIG. 2 is a back elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a perspective view thereof;

FIG. 7 is a front elevational view of a calibration accessory of a tirewearing detector showing our second new design;

FIG. 8 is a back elevational view thereof;

FIG. 9 is a left side elevational view thereof;

FIG. 10 is a right side elevational view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof; and,

FIG. 13 is a perspective view thereof.

CLAIM I claim the ornamental designs for a calibration accessory of atire wearing detector, as shown and described.